HH44X微阻缓闭止回阀由阀体、阀盖、阀瓣、阀轴及调节阀等组成，安装在水泵出口处用来防止介质逆流和消除破坏性水锤，并能有效地减少阀门关闭的水锤压力，可保障管网   运行。它具有阀瓣轻、开度大、节电效果显著，流体阻力小，水锤消除机构设计新颖，密封性能稳定可靠、耐磨损、使用寿命长、运行平稳、无震动、无噪音等特点。

HH44XWEIZUHUANBIZHIHUIFADETEDIANJIYOUDIAN：

SHEYOUPINGHENGCHUIZHUANGZHI。FABANXUANQISHIDUISHUILIUDEZULIXIAO，KAIFALIJINWEIYUANXUANQISHIDEWUFENZHIYI，WEIJIENENGXINGCHANPIN。

HH44XWEIZUHUANBIZHIHUIFADEFABANGUANBIDEHOUDUANXINGCHENGSHEYOUZUNIZHUANGZHI，QIEZUNISHIJIAN，KEDIAO，KEFANGZHIPOHUAIXINGSHUICHUIDECHANSHENG。

XINYINGBAOJIAOFABANSHEJI，MIFENGKEKAO、FANGFUSHI，JIANZHENNAIMO、SHIYONGSHOUMINGZHANG；YUNXINGPINGWEN，ZAOYINDI。

HH44XWEIZUHUANBIZHIHUIFAYOUCHENGNIZHIFA，QIZUOYONGSHIFANGZHIGUANLUZHONGDEJIEZHIDAOLIU。QIBIJIANKAOJIEZHILIUDONGHELILIANGZIXINGKAIQIHUOGUANBI，YIFANGZHIJIEZHIDAOLIUDEFAMENJIAOZHIHUIFA。WEIZUHUANBIZHIHUIFA(HH44X)SHUYUZIDONGFALEI，ZHUYAOYONGYUJIEZHIDANXIANGLIUDONGDEGUANDAOSHANG，ZHIYUNXUJIEZHIXIANGYIGEFANGXIANGLIUDONG，YIFANGZHIFASHENGSHIGU。WEIZUHUANBIZHIHUIFA(HH44X)JUYOUFABANQING、KAIDUDA、JIEDIANXIAOGUOXIANZHE，YETIZULIXIAO，SHUICHUIXIAOCHUJIGOUSHEJIXINYING，MIFENGXINGNENGWENDINGKEKAO、NAIMOSUN、SHIYONGSHOUMINGZHANG、DONGXINGPINGWEN、WUZHENDONG、WUZAOSHENGDENGTEDIAN。SHIYONGYUQINGJINGJIEZHI，BUYIYONGYUHANYOUGUTIKELIHEZHANDUJIAODADEJIEZHI。